{"uid":"cap_DxVdJ6uPn153fnHFf-s-5","slug":"vextorium-bitcoin-address-balance-transaction-lookup-9b809b9b","name":"Vextorium Bitcoin Address Balance & Transaction Lookup","description":"Balance of any Bitcoin address (legacy, P2SH, SegWit or Taproot) in BTC, sats and USD, pending mempool amount, total received and sent, transaction count and the latest transactions with net effect and confirmations.","url":"https://api.vextorium.com/v1/bitcoin-address?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["address"],"properties":{"limit":{"type":"integer"},"address":{"type":"string","description":"Bitcoin address (1..., 3... or bc1...)"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":["object","null"],"properties":{"last":{"type":["array","null"],"items":{"type":["null","object"],"properties":{"date":{"type":["null","string"]},"txid":{"type":["null","string"]},"net_btc":{"type":["null","number"]},"fee_sats":{"type":["null","number"]},"confirmed":{"type":["boolean","null"]},"confirmations":{"type":["null","number"]}}}},"type":{"type":["string","null"]},"source":{"type":["string","null"]},"address":{"type":["string","null"]},"balance":{"type":["object","null"],"properties":{"btc":{"type":["number","null"]},"usd":{"type":["number","null"]},"sats":{"type":["number","null"]}}},"transactions":{"type":["number","null"]},"btc_price_usd":{"type":["number","null"]},"total_sent_btc":{"type":["number","null"]},"mempool_pending":{"type":["object","null"],"properties":{"btc":{"type":["number","null"]},"sats":{"type":["number","null"]}}},"total_received_btc":{"type":["number","null"]}}}}}}},"responseSchema":{"type":"json","example":{"last":[{"date":"2026-09-28T12:34:10+00:00","txid":"5420695c11ddebff09fd2786c16b8481b2187cb750458880ddd9e71cbf0da0e8","net_btc":0.00000546,"fee_sats":680,"confirmed":true,"confirmations":644},{"date":"2026-09-15T16:26:34+00:00","txid":"9b46bfde6702335f68f6a78eaf7cab35875598c9584e95f0e3442f3b1e82aa82","net_btc":0.03025698,"fee_sats":10000,"confirmed":true,"confirmations":2487}],"type":"segwit","source":"Blockstream Esplora (public Bitcoin node)","address":"bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh","balance":{"btc":3.92247777,"usd":331494.8,"sats":392247777},"transactions":1138,"btc_price_usd":84511.58149319161,"total_sent_btc":12.87005839,"mempool_pending":{"btc":0,"sats":0},"total_received_btc":16.79253616}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xWEA-7flx8sZYYwe62lhl","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns balance (BTC, sats, USD), mempool pending amount, total received/sent, transaction count, and recent transactions with net effect and confirmations for any Bitcoin address type.","exampleAgentPrompt":"What's the current balance of Bitcoin address bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh in BTC, sats, and USD, and show me the last 5 transactions with their net effect and confirmations?","exampleUseCases":[{"title":"Monitor a cold wallet's balance","prompt":"Check the balance of my Bitcoin cold wallet bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh — I want to know how much is in it right now in BTC and USD, and whether there are any pending mempool transactions."},{"title":"Verify a payment was received","prompt":"I'm expecting a Bitcoin payment to address 3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy — can you check if any recent transactions came in, how many confirmations they have, and what the net BTC received was?"},{"title":"Audit a Bitcoin address transaction history","prompt":"Give me a full breakdown of the Bitcoin address 1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf — total BTC received, total sent, transaction count, and the most recent 10 transactions with dates and fees."}],"resultDescription":"Returns a JSON object containing the address type (legacy/P2SH/SegWit/Taproot), current balance in BTC, satoshis, and USD, pending mempool amount, total BTC received and sent, total transaction count, current BTC/USD price, and an array of recent transactions each with txid, date, net BTC, fee in sats, confirmed status, and confirmation count.","failureModes":["Invalid or malformed Bitcoin address returns an error","Address not found on-chain returns empty or null balance","Network connectivity issues with Blockstream Esplora return a timeout or service error","Limit parameter out of range may return validation error","Mempool data may lag slightly behind real-time node state"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive on-chain snapshot of any Bitcoin address — including all four address formats (legacy 1..., P2SH 3..., SegWit bc1q..., Taproot bc1p...) — with balance in multiple denominations, live USD conversion, mempool awareness, and per-transaction net effect in a single call. Prefer this over raw block explorer APIs when you want structured, agent-friendly JSON without parsing HTML or running your own node.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:50:16.352Z","isFirstParty":false,"canonicalSlug":"vextorium-bitcoin-address-balance-transaction-lookup-9b809b9b"}